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Schneider AEG ASB984100 Discrete Module
Schneider AEG ASB984100
The ASB-984-100 is a high-speed discrete I/O module of the Modicon series under Schneider, applied in PLC (Programmable Logic Controller) systems to realize rapid acquisition and control of digital input and output. Belonging to the AEG Gould Modicon series, this module is often combined with other Modicon modules (such as S953-001, AM-S980-810, etc.) to build a complete automation control network.
Key Technical Specifications
Operating Voltage: 24 V DC (Typical)Discrete I/O Points: 24 PointsResponse Time: ≤ 0.5 ms (High-speed Sampling)Communication Interfaces: Modbus TCP/IP, Modbus RTU (via backplane or fieldbus)Operating Temperature Range: -20 °C – +55 °CProtection Class: IP20 (Indoor Installation)Dimensions: DIN rail mount, approx. 45 mm in width and 120 mm in depth
Product Features
- High-speed Discrete Processing: Ultra-short response time, ideal for high-speed motion control and safety monitoring scenarios.
- Modular Design: Flexible stacking on the same backplane for convenient system expansion.
- Multi-protocol Compatibility: Supports Modbus TCP/IP and RTU, enabling easy interconnection with upper-level systems or devices from other manufacturers.
- High Reliability: Adopts industrial-grade components with anti-interference and anti-vibration performance, complying with IEC 61131-3 standard.
- Easy Wiring: Equipped with standard 24 V DC interface and matching terminal blocks, facilitating installation and maintenance.
Structure & Composition
- Power Module: Supplies stabilized 24 V DC power for internal circuits.
- CPU/Control Chip: Responsible for I/O sampling, data buffering and communication protocol processing.
- Discrete I/O Terminal Block: 24-channel terminals configurable as input or output.
- Communication Interface Board: Enables Modbus TCP/IP or RTU communication.
- Housing: Metal DIN-rail mounting housing providing basic protection.
Typical Application Fields
- Industrial Automation: Status monitoring and control of assembly lines, packaging machinery and CNC machine tools.
- Process Control: Discrete signal acquisition of valves and sensors in chemical, petroleum, food and beverage industries.
- Safety Systems: Rapid response for emergency shutdown, access control and photoelectric safety barriers.
- Building Automation: Discrete control of lighting, air conditioning, doors and windows.
Installation & Maintenance Essentials
Installation
Fix on the control cabinet backplane via DIN-rail, ensuring stable backplane power supply and reliable grounding.
Wiring
Adopt matching 24 V DC terminal blocks; add anti-reverse diodes at input terminals, and rectifier diodes at output terminals to prevent reverse voltage from inductive loads.
Communication Configuration
Set the module address in PLC programming software (IP + port for Modbus TCP/IP, station number for RTU), and map in hardware configuration according to actual I/O requirements.
Debugging
Use diagnostic tools provided by Schneider (e.g., SoMachine) to check I/O status, communication errors and power supply voltage.
Maintenance
Regularly inspect the tightness of terminal blocks, remove dust and confirm stable power supply; in case of faults, replace the independent I/O terminal block or power module instead of the whole unit.
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